WO2018142886A1 - Borne de blindage - Google Patents

Borne de blindage Download PDF

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Publication number
WO2018142886A1
WO2018142886A1 PCT/JP2018/000739 JP2018000739W WO2018142886A1 WO 2018142886 A1 WO2018142886 A1 WO 2018142886A1 JP 2018000739 W JP2018000739 W JP 2018000739W WO 2018142886 A1 WO2018142886 A1 WO 2018142886A1
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WO
WIPO (PCT)
Prior art keywords
dielectric
shield
main body
shield layer
conductor
Prior art date
Application number
PCT/JP2018/000739
Other languages
English (en)
Japanese (ja)
Inventor
宏芳 前岨
一尾　敏文
Original Assignee
株式会社オートネットワーク技術研究所
住友電装株式会社
住友電気工業株式会社
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 株式会社オートネットワーク技術研究所, 住友電装株式会社, 住友電気工業株式会社 filed Critical 株式会社オートネットワーク技術研究所
Priority to US16/483,457 priority Critical patent/US10741977B2/en
Priority to DE112018000673.5T priority patent/DE112018000673B4/de
Priority to CN201880009028.8A priority patent/CN110235318B/zh
Publication of WO2018142886A1 publication Critical patent/WO2018142886A1/fr

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Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
    • H01R13/648—Protective earth or shield arrangements on coupling devices, e.g. anti-static shielding  
    • H01R13/658—High frequency shielding arrangements, e.g. against EMI [Electro-Magnetic Interference] or EMP [Electro-Magnetic Pulse]
    • H01R13/6591—Specific features or arrangements of connection of shield to conductive members
    • H01R13/6592—Specific features or arrangements of connection of shield to conductive members the conductive member being a shielded cable
    • H01R13/6593—Specific features or arrangements of connection of shield to conductive members the conductive member being a shielded cable the shield being composed of different pieces
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
    • H01R13/46—Bases; Cases
    • H01R13/502—Bases; Cases composed of different pieces
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R9/00—Structural associations of a plurality of mutually-insulated electrical connecting elements, e.g. terminal strips or terminal blocks; Terminals or binding posts mounted upon a base or in a case; Bases therefor
    • H01R9/03—Connectors arranged to contact a plurality of the conductors of a multiconductor cable, e.g. tapping connections
    • H01R9/05—Connectors arranged to contact a plurality of the conductors of a multiconductor cable, e.g. tapping connections for coaxial cables
    • H01R9/0518—Connection to outer conductor by crimping or by crimping ferrule
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
    • H01R13/46—Bases; Cases
    • H01R13/52—Dustproof, splashproof, drip-proof, waterproof, or flameproof cases
    • H01R13/5205—Sealing means between cable and housing, e.g. grommet
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
    • H01R13/648—Protective earth or shield arrangements on coupling devices, e.g. anti-static shielding  
    • H01R13/658—High frequency shielding arrangements, e.g. against EMI [Electro-Magnetic Interference] or EMP [Electro-Magnetic Pulse]
    • H01R13/6581—Shield structure
    • H01R13/6582—Shield structure with resilient means for engaging mating connector
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R2107/00—Four or more poles

Definitions

  • the present invention relates to a shield terminal.
  • Patent Document 1 discloses a shield terminal including an outer terminal, an inner terminal, and a dielectric.
  • a holding portion is formed at the front end portion of the outer terminal, and a dielectric is held at the holding portion.
  • An inner terminal is attached to the dielectric, and the inner terminal is connected to the core wire of the shielded electric wire.
  • An open barrel-shaped crimping portion is formed at the rear end portion of the outer terminal, and the crimping portion is connected to the shield layer of the shielded electric wire.
  • the core wire and the inner terminal are exposed to the outside of the outer terminal.
  • a cover member that covers the core wire and the inner terminal between the holding portion and the crimping portion.
  • the cover member is assembled to the outer conductor, there is a concern that a part of the cover member interferes with the outer conductor and the workability is lowered.
  • the present invention has been completed based on the above circumstances, and aims to improve workability during assembly and improve reliability of shield performance.
  • the present invention An inner conductor connected to the front end of the core wire of the shielded wire; A dielectric that houses the inner conductor; A main body member having an outer conductor and having a cylindrical holding portion that is held in a state of surrounding the dielectric, and a crimping portion connected to a front end portion of a shield layer of the shielded electric wire, A cover member that is separate from the main body member and constitutes the outer conductor, and surrounds the core wire together with the main body member between the rear end of the holding portion and the front end of the shield layer.
  • a hook portion formed at a front end portion of the cover member and latchable to a rear end edge portion of the holding portion;
  • the roller is characterized by having guide means for guiding the cover member to a regular assembly position while swinging the cover member with the hook portion as a fulcrum.
  • the main body member and the cover member surround the core wire around the entire circumference between the rear end of the holding portion and the front end of the shield layer, the reliability of the shield performance is improved.
  • the cover member is assembled to the main body member, workability is good because the cover member is guided by the guide means.
  • Side view showing a state in which the lower member is assembled to the cylindrical member and the dielectric Side view showing a state in which the lower member is assembled to the cylindrical member and the dielectric.
  • the cover member may be formed with a fixing portion to be crimped to the outer periphery of the shield layer, and the hook portion may be locked to the inner peripheral edge of the holding portion.
  • the main body member may be configured by assembling a cylindrical member in which the holding portion is formed and a connection member in which the crimp portion is formed. According to this configuration, in the state before the connection member is assembled to the cylindrical member, there is no crimping portion behind the cylindrical member, so that workability when attaching the dielectric to the cylindrical member from the rear is good. .
  • the guide means may be formed on the cover member and the connection member. According to this structure, compared with the case where a guide means is formed in a cylindrical member, the shape of a cylindrical member can be simplified.
  • the guide means includes a guide pin formed on one of the cover member and the connection member, and a guide groove formed on the other of the cover member and the connection member to slide-contact the guide pin. It may be comprised from these. According to this configuration, since it is not necessary to form guide means on the cylindrical member, the shape of the cylindrical member can be simplified.
  • Example 1 A first embodiment embodying the present invention will be described below with reference to FIGS.
  • the directions appearing in FIGS. 1 to 14 are defined as “upper” and “lower” as they are.
  • the shield connector 1 includes a housing 2 made of synthetic resin and a shield terminal T. As shown in FIG. 2, a terminal accommodating chamber 3 having both front and rear ends opened is formed in the housing 2, and a shield terminal T is inserted into the terminal accommodating chamber 3 from the rear of the housing 2. An elastically deflectable lance 4 is formed on the upper surface of the terminal accommodating chamber 3 to restrict the shield terminal T inserted into the terminal accommodating chamber 3 from coming out rearward. Further, a front stop portion 5 for stopping the shield terminal T inserted into the terminal storage chamber 3 is formed on the lower surface portion of the terminal storage chamber 3.
  • the shield terminal T is configured by assembling a metal outer conductor 10, a synthetic resin dielectric 46, and a plurality of metal inner conductors 52.
  • the outer conductor 10 is configured by assembling a main body member 11 and an upper member 35 (a cover member described in claims) which is a single component separate from the main body member 11.
  • the main body member 11 is configured by assembling a cylindrical member 12 which is a single part and a lower member 18 (a connecting member described in claims) which is a single part separate from the cylindrical member 12. . That is, the outer conductor 10 is configured by assembling three parts, that is, the cylindrical member 12, the upper member 35, and the lower member 18.
  • the cylindrical member 12 is formed into a generally rectangular tube shape as a whole by bending a predetermined-shaped metal plate.
  • the cylindrical member 12 has rigidity and shape retaining property that do not cause expansion deformation.
  • Four elastic contact pieces 13 are formed in front end regions of the four plate portions constituting the cylindrical member 12, respectively.
  • Each elastic contact piece 13 has a form in which a part of each plate portion is cut and raised and cantilevered forward inwardly. These elastic contact pieces 13 are configured to elastically abut against the outer peripheral surface of a counterpart outer conductor (not shown).
  • the rear end side region of the cylindrical member 12 functions as a substantially rectangular cylindrical holding portion 14 for holding the dielectric 46.
  • the left and right side plate portions constituting the holding portion 14 are respectively provided with a window hole-shaped first locking portion 15 and a second locking portion in which the rear end edge of the holding portion 14 is cut out.
  • a portion 16 and a window hole-like third locking portion 17 are formed.
  • the second locking portion 16 is disposed below the first locking portion 15 and at a position behind the first locking portion 15.
  • the third locking portion 17 is disposed at a position below the first locking portion 15 and in front of the second locking portion 16.
  • the lower member 18 is formed by bending a metal plate material.
  • the front end side region of the lower member 18 is a first cover portion 19 in a form in which a pair of left and right inner plate portions 21 are raised from the left and right side edges of the lower plate portion 20.
  • a first hook portion 22 that protrudes in a rib shape along the front edge of the lower plate portion 20 of the first cover portion 19 and that has a side view shape that is arranged in a step shape upward with respect to the lower plate portion 20. Is formed.
  • the lower plate portion 20 of the first cover portion 19 is formed with an abutting portion 23 that is struck downward (on the outer surface side of the lower plate portion 20).
  • the left and right inner side plate portions 21 of the first cover portion 19 are respectively provided with a first guide groove 24 in a form notched obliquely downward and rearward from the upper end portion of the front end edge of the inner plate portion 21, and the rear end of the inner plate portion 21.
  • a second guide groove 25 (a guide groove according to the claims) is formed so as to be cut obliquely downward and forward from the upper end of the edge.
  • a protruding first stopper 26 is formed at a position near the rear end (back end) of the upper edge portion of the first guide groove 24.
  • a protruding second stopper 27 is formed at a position near the front end (back end) of the upper edge of the second guide groove 25.
  • the first guide groove 24 constitutes a first guide means 28, and the second guide groove 25 constitutes a second guide means 29 (guide means described in claims).
  • the left and right inner side plate portions 21 of the first cover portion 19 are respectively formed with a window hole-shaped fourth locking portion 30 and a window hole-shaped fifth locking portion 31.
  • the fourth locking portion 30 and the fifth locking portion 31 are in a positional relationship so as to be aligned vertically, and the fifth locking portion 31 is disposed at a position below the fourth locking portion 30.
  • the fourth locking portion 30 and the fifth locking portion 31 are disposed between the rear end of the first guide groove 24 and the front end of the second guide groove 25 in the front-rear direction.
  • the crimping portion 32 includes a substrate portion 33 having a substantially arc-shaped cross section extending rearward from the rear end of the lower plate portion 20 of the first cover portion 19 and a pair of left and right asymmetric caulkings rising from the left and right edges of the substrate portion 33. And a piece 34.
  • the crimp part 32 is fixed to the outer periphery of the shield layer 65 of the shielded electric wire 60 so as to be conductive.
  • the upper member 35 is formed by bending a metal plate material.
  • a front end side region of the upper member 35 is a second cover portion 36 in a form in which a pair of left and right outer plate portions 38 are extended downward from both left and right edges of the upper plate portion 37.
  • a second hooking portion 39 that protrudes in a rib shape along the front end edge of the upper cover portion 37 of the second cover portion 36 and that has a side view shape that is stepped downward with respect to the upper plate portion 37. (The hook portion described in the claims) is formed.
  • the upper plate portion 37 is formed with a retaining protrusion 40 that is struck upward (outside of the upper plate portion 37).
  • the front end portions of the left and right outer side plate portions 38 of the second cover portion 36 have a form extending forward from the second hooking portion 39 (the front end of the upper plate portion 37), and function as a closing plate portion 41. .
  • the left and right outer plate portions 38 are respectively provided with a third locking protrusion 42 that protrudes toward the inner surface, a fifth locking protrusion 43 that protrudes toward the inner surface, and a second protrusion that protrudes toward the inner surface.
  • Guide pins 44 guide pins described in claims
  • the third locking portion 17 is disposed on the front end portion (blocking plate portion 41) of the outer side plate portion 38.
  • the fifth locking portion 31 is arranged at a position behind the second hooking portion 39.
  • the second guide pin 44 is arranged behind the fifth locking portion 31 and at a position opposite to the fifth locking portion 31.
  • the second guide pin 44 constitutes second guide means 29.
  • a rear end side region of the upper member 35 is formed with a fixing portion 45 extending rearward from the rear end of the upper plate portion 37.
  • the cross-sectional shape of the adhering portion 45 is a substantially arc shape that faces the crimping portion 32 of the lower member 18 from above.
  • the adhering portion 45 is disposed so as to sandwich the front end portion of the shield layer 65 of the shielded electric wire 60 between the crimping portion 32 and the upper and lower portions.
  • the dielectric 46 is made of synthetic resin and has a block shape as a whole.
  • a plurality of conductor accommodating chambers 47 elongated in the front-rear direction are formed inside the dielectric 46.
  • the plurality of conductor accommodating chambers 47 are arranged in two upper and lower stages and are symmetrical in the vertical direction.
  • the rear end portion of the upper-side conductor accommodating chamber 47 is open to the upper outside of the dielectric 46, and the rear end portion of the lower-stage conductor accommodating chamber 47 is the dielectric 46. It is open to the outside below.
  • a first locking protrusion 48, a second locking protrusion 49, a fourth locking protrusion 50, and a first guide pin 51 are formed on the left and right outer surfaces of the dielectric 46, respectively.
  • the first locking protrusion 48 is disposed at the upper end position of the front end portion of the outer surface of the dielectric 46, and the second locking protrusion 49 is below the first locking protrusion 48 and the first locking protrusion 48. It is arranged at a slightly rearward position.
  • the fourth locking protrusion 50 is disposed on the rear end portion of the outer surface of the dielectric 46.
  • the first guide pin 51 is disposed behind the first locking protrusion 48 and the second locking protrusion 49 and in front of the fourth locking protrusion 50.
  • the first guide pin 51 constitutes the first guide means 28.
  • the inner conductor 52 is made of a metal material and has an elongated shape in the front-rear direction as a whole.
  • the inner conductor 52 includes a rectangular tube-shaped conductor main body 53, a long and thin tab 54 that extends forward from the conductor main body 53 in a cantilever manner, and a wire connection that extends rearward from the conductor main body 53. A portion 55 is formed.
  • Each inner conductor 52 is accommodated in the conductor accommodating chamber 47 from behind the dielectric 46.
  • the inner conductor 52 inserted into the upper conductor housing chamber 47 and the inner conductor 52 inserted into the lower conductor housing chamber 47 are vertically symmetrical.
  • the conductor main body 53 When the inner conductor 52 is attached to the dielectric 46, the conductor main body 53 is held in the conductor housing chamber 47, and the tab 54 projects forward from the front end surface of the dielectric 46.
  • the wire connection portion 55 In the upper conductor housing chamber 47, the wire connection portion 55 is exposed above the dielectric 46, and in the lower conductor housing chamber 47, the wire connection portion 55 is exposed below the dielectric 46. .
  • the core wire 62 of the shielded electric wire 60 is connected to each electric wire connecting portion 55 by soldering.
  • the shielded electric wire 60 to which the shield terminal T is connected surrounds the shield layer 65, which is composed of a plurality of thin covered wires 61, a braided wire that surrounds the plurality of covered wires 61 in a bundled state, and the like.
  • a cylindrical sheath 64 is provided.
  • the covered electric wire 61 includes a core wire 62 and an insulating coating 63 that surrounds the core wire 62, and extends forward from the front end of the sheath 64.
  • the front end portion of the core wire 62 is exposed by removing the insulating coating 63.
  • a front end portion of the shield layer 65 that extends from the front end of the sheath 64 is folded back toward the outer peripheral side to cover the outer periphery of the sheath 64.
  • the procedure for assembling the shield connector 1 of this embodiment will be described.
  • the plurality of inner conductors 52 are attached to the dielectric body 46, and then the dielectric body 46 is inserted and assembled to the cylindrical member 12 from behind.
  • the front end side region of the dielectric 46 is fitted into the holding portion 14 of the cylindrical member 12, and the plurality of tabs 54 are cylindrical. Surrounded by the member 12 in a lump.
  • the cylindrical member 12 and the dielectric 46 are assembled together by locking the first locking portion 15 and the first locking projection 48 and locking the second locking portion 16 and the second locking projection 49. Retained. That is, the cylindrical member 12 and the dielectric 46 are positioned in a state where relative displacement is restricted in the front-rear direction, the vertical direction, and the left-right direction.
  • the fourth locking protrusion 50, the first guide pin 51, and the electric wire connecting portion 55 of the inner conductor 52 are exposed at a position behind the cylindrical member 12.
  • the front end portion of the core wire 62 of the shielded electric wire 60 is connected to the electric wire connecting portion 55 of each inner conductor 52 by soldering.
  • the core wire 62 is placed on the electric wire connection portions 55 from above and soldered.
  • the core wire 62 is placed and soldered in a state where the dielectric 46 and the cylindrical member 12 are turned upside down.
  • the lower member 18 After connecting all the core wires 62 to the wire connection portion 55, the lower member 18 is assembled to the cylindrical member 12 and the dielectric 46.
  • the first guide pin 51 enters the entrance (front end) of the first guide groove 24, and the first hooking portion 22 of the lower member 18 is moved.
  • the lower end of the tubular member 12 (holding portion 14) is locked to the lower edge, and the lower member 18 is swung upward with the locking position as a fulcrum.
  • the swing direction of the lower member 18 at the time of assembly is a direction that intersects the axis of the shielded electric wire 60.
  • the first guide pin 51 slides on the edge of the first guide groove 24 as shown in FIG. The trajectory is stable. Further, the pair of left and right inner plate portions 21 are in sliding contact with the outer surface of the dielectric 46, whereby the lower member 18 is positioned in the left-right direction with respect to the dielectric 46 and the cylindrical member 12. As shown in FIG. 9, when the first guide pin 51 reaches the back end (rear end) of the first guide groove 24, the assembly of the lower member 18 to the cylindrical member 12 and the dielectric 46 is completed, and the outer conductor Ten body members 11 are formed.
  • the first guide pin 51 is held in a state where it is engaged with the inner end of the first guide groove 24 by being engaged with the first stopper 26, and the first pulling is performed.
  • the hook portion 22 is engaged with the rear end edge of the tubular member 12 so as to be conductive, and the fourth locking portion 30 and the fourth locking protrusion 50 are locked.
  • the lower member 18, the cylindrical member 12, and the dielectric 46 are held in an assembled state in which relative displacement in the front-rear direction and the vertical direction is restricted.
  • the entire region of the lower member 18 excluding the first hooking portion 22 is positioned so as to be connected to the rear of the cylindrical member 12.
  • the first cover portion 19 of the lower member 18 is attached to the side surface portion of the dielectric 46 in the region behind the cylindrical member 12, the exposed region of the front end portion of the core wire 62, and the lower conductor housing chamber 47.
  • the electric wire connecting portion 55 of the inner conductor 52 is covered.
  • the crimping portion 32 is positioned so as to cover the lower surface side region of the outer periphery of the front end portion of the shield layer 65.
  • the upper member 35 is assembled to the main body member 11.
  • the second guide pin 44 is caused to enter the inlet (rear end portion) of the second guide groove 25 and the second hook of the upper member 35 is engaged.
  • the portion 39 is locked to the upper edge portion of the rear end of the cylindrical member 12 (holding portion 14), and the upper member 35 is swung downward with the locking position as a fulcrum.
  • the swinging direction of the upper member 35 at the time of assembly is a direction that intersects the axis of the shielded electric wire 60.
  • the second guide pin 44 slides on the groove edge of the second guide groove 25, so that the swing trajectory of the upper member 35 in the vertical direction and the front-rear direction is stabilized. Further, the pair of left and right outer plate portions 38 are in sliding contact with the outer surface of the inner plate portion 21 of the lower member 18, whereby the upper member 35 is positioned in the left-right direction with respect to the main body member 11. As shown in FIG. 13, when the second guide pin 44 reaches the back end (front end) of the second guide groove 25, the assembly of the upper member 35 to the main body member 11 is completed, and the shield terminal T is configured.
  • the second guide pin 44 is held in a state of being engaged with the inner end portion of the second guide groove 25 by being engaged with the second stopper 27, and the second pull
  • the hook portion 39 is engaged with the rear end edge of the tubular member 12 so as to be conductive
  • the third locking portion 17 and the third locking projection 42 are locked so as to be conductive
  • the fifth locking portion 31 and the first locking portion are connected.
  • the locking protrusion 43 is locked so as to be conductive.
  • the entire region of the upper member 35 excluding the second hooking portion 39 is positioned so as to continue to the rear of the cylindrical member 12, and the lower member 18 and The positional relationship is such that the front end portion of the shielded electric wire 60 and the rear end portion of the dielectric 46 are opposed to each other.
  • the second cover portion 36 of the upper member 35 includes the inner portion of the first cover portion 19, the exposed region of the front end portion of the core wire 62, and the electric wire of the inner conductor 52 attached to the conductor housing chamber 47 on the upper stage side.
  • the connection part 55 is obscured.
  • the closing plate portion 41 of the upper member 35 includes a locking portion between the first locking portion 15 and the first locking projection 48, a locking portion between the second locking portion 16 and the second locking projection 49, and a third portion.
  • the fitting portion between the groove 25 and the second guide pin 44 is covered.
  • the 1st cover part 19 and the 2nd cover part 36 are the latching parts of the 3rd latching
  • the adhering portion 45 is positioned so as to cover the upper surface side region of the outer periphery of the front end portion of the shield layer 65 and sandwich the front end portion of the shield layer 65 with the crimping portion 32 in the vertical direction.
  • the crimping part 32 is crimped to the outer periphery of the fixing part 45 and the shield layer 65 as shown in FIG.
  • the crimping piece 34 is crimped so as to be in close contact with the outer periphery of the fixing portion 45.
  • the inner peripheral surface of the substrate portion 33 of the crimping portion 32 and the inner peripheral surface of the fixing portion 45 are fixed to the outer periphery of the shield layer 65 so as to surround the entire periphery and be conductive.
  • the assembly of the shield terminal T is completed.
  • the shield terminal T is inserted into the housing 2 from behind.
  • the inserted shield terminal T is restrained from further movement (advancing) in the insertion direction when the abutting portion 23 abuts against the front stop portion 5, and the retaining projection 40 is locked to the lance 4.
  • the rearward pull-out is restricted, and the retaining state is maintained.
  • the rubber plug 66 and the rear holder 67 that have been fitted onto the shielded electric wire 60 in advance are attached to the rear end of the housing 2, the assembly of the shield connector 1 is completed.
  • the shield terminal T of the first embodiment includes an inner conductor 52 connected to the front end portion of the core wire 62 of the shielded electric wire 60, a dielectric 46 that accommodates the inner conductor 52, the outer conductor 10, and the first guide means 28. It is configured with.
  • the outer conductor 10 is a cylindrical member 12 that holds the dielectric 46 in a state of surrounding the dielectric 46, and is a separate component from the cylindrical member 12, and has a crimp portion 32 that can be connected to the shield layer 65 of the shielded electric wire 60.
  • a first hook 22 that can be locked to the rear edge of the cylindrical member 12 is formed at the front end of the lower member 18.
  • the first guide means 28 guides to the proper assembly position while swinging the lower member 18 with the first hook 22 as a fulcrum.
  • the shield terminal T of the present embodiment has high reliability in shielding performance because the dielectric 46 is surrounded by the cylindrical member 12. Further, in the state before the lower member 18 is assembled to the tubular member 12, the crimping portion 32 does not exist behind the tubular member 12, and therefore, workability when attaching the dielectric 46 to the tubular member 12 from the rear is good. It is. Further, when the lower member 18 is assembled to the tubular member 12, the lower member 18 is guided by the first guide means 28, so workability is good.
  • the crimping part 32 has an open barrel shape and is crimped to the outer periphery of the shield layer 65.
  • the first hook 22 is locked to the inner peripheral edge of the cylindrical member 12.
  • the front end portion of the lower member 18 tends to be displaced so as to float outward in the radial direction (below the cylindrical member 12) by the reaction force at the time of crimping. Since the 1st hook part 22 formed in the front-end part of the member 18 is latched by the inner edge edge part of the rear-end part of the cylindrical member 12, it can prevent that the front-end part of the lower member 18 rises.
  • the first guide means 28 is formed on the lower member 18 and the dielectric 46, the shape of the cylindrical member 12 can be simplified as compared with the case where the guide means is formed on the cylindrical member 12. Can do.
  • the first guide means 28 includes a first guide pin 51 formed on the dielectric 46 and a first guide groove 24 formed on the lower member 18 and in sliding contact with the first guide pin 51. According to this configuration, it is not necessary to form guide means on the cylindrical member 12, so that the shape of the cylindrical member 12 can be simplified.
  • the shield terminal T of the present embodiment is configured to include the outer conductor 10 and the second guide means 29.
  • the outer conductor 10 is configured by assembling the main body member 11 and the upper member 35.
  • the main body member 11 includes a cylindrical holding portion 14 that holds the dielectric 46 in a state of surrounding the dielectric 46, and a crimping portion 32 that is connected to the front end portion of the shield layer 65 of the shielded electric wire 60.
  • the upper member 35 is separate from the main body member 11 and surrounds the core wire 62 together with the main body member 11 between the rear end of the holding portion 14 and the front end of the shield layer 65. Since the main body member 11 and the cover member surround the core wire 62 over the entire circumference between the rear end of the holding portion 14 and the front end of the shield layer 65, the reliability of the shielding performance is improved.
  • a second hook portion 39 that can be locked to the rear end edge portion of the holding portion 14 is formed at the front end portion of the upper member 35. Then, the second guide means 29 guides to the proper assembly position while swinging the upper member 35 with the second hooking portion 39 as a fulcrum. According to this configuration, when the upper member 35 is assembled to the main body member 11, the upper member 35 is guided by the second guide means 29, so that workability is good.
  • the upper member 35 is formed with a fixing portion 45 that is crimped to the outer periphery of the shield layer 65, and the second hooking portion 39 is locked to the inner peripheral edge of the holding portion 14.
  • the fixing portion 45 is pressure-bonded to the shield layer 65
  • the front end portion of the upper member 35 is displaced so as to be lifted outward in the radial direction (above the upper member 35) by a reaction force at the time of pressure bonding.
  • the second hooking portion 39 formed at the front end portion of the upper member 35 is locked from the inner side (lower surface side) to the inner edge edge portion of the rear end portion of the holding portion 14, the upper member 35. Can be prevented from floating outward in the radial direction.
  • the main body member 11 is configured by assembling the cylindrical member 12 in which the holding portion 14 is formed and the lower member 18 in which the crimping portion 32 is formed. According to this configuration, in the state before the lower member 18 is assembled to the cylindrical member 12, the crimping portion 32 does not exist behind the cylindrical member 12, so that the dielectric 46 is attached to the cylindrical member 12 from the rear. Workability is good.
  • the second guide means 29 is formed on the upper member 35 and the lower member 18, the shape of the tubular member 12 can be simplified as compared with the case where the guide means is formed on the tubular member 12. Can do.
  • the second guide means 29 includes a second guide pin 44 formed on the upper member 35 and a second guide groove 25 formed on the lower member 18 and in sliding contact with the second guide pin 44. According to this configuration, it is not necessary to form guide means on the cylindrical member 12, so that the shape of the cylindrical member 12 can be simplified.
  • the outer conductor 10 of the shield terminal T of the first embodiment is a separate component from the cylindrical member 12 and the cylindrical member 12 that hold the dielectric 46 in a state of surrounding the dielectric 46, and the shield layer 65 of the shielded electric wire 60.
  • the lower member 18 connected to the front end of the shield member 65 and the upper member 35 connected to the front end of the shield layer 65 are provided.
  • the lower member 18 and the upper member 35 constitute a pair of halved split shells.
  • the lower member 18 and the upper member 35 have a pair of covering portions that surround the entire circumference of the wire connection portion 55 of the core wire 62 and the inner conductor 52 between the rear end of the cylindrical member 12 and the front end of the shield layer 65. (The 1st cover part 19 and the 2nd cover part 36) are formed.
  • the first cover portion 19 and the second cover portion 36 surround the core wire 62 and the wire connection portion 55 over the entire circumference between the rear end of the tubular member 12 and the front end of the shield layer 65. Therefore, the reliability of shield performance is high.
  • the pair of split shells (the lower member 18 and the upper member 35) in which the first cover portion 19 and the second cover portion 36 are formed are separate from the cylindrical member 12 and have a half shape. Yes. Therefore, the work of connecting the inner conductor 52 to the core wire 62 can be performed with the dielectric 46 and the inner conductor 52 attached to the cylindrical member 12. Therefore, the shield terminal T of the present embodiment can reduce restrictions on the assembly process.
  • a crimping portion 32 to be crimped to the outer periphery of the shield layer 65 is formed at the rear end portion of the lower member 18, and the cylindrical member 12 is formed at the front end portion of the lower member 18 in which the crimping portion 32 is formed.
  • a first hook portion 22 is formed to be engaged with the inner edge portion of the rear end portion.
  • the lower member 18 Since the first hook portion 22 formed at the front end portion of the lower member 18 is locked from the inner side (upper surface side) with respect to the inner edge portion of the rear end portion of the tubular member 12, the lower member 18 It is possible to prevent the front end portion from floating outward in the radial direction.
  • the shield terminal T includes first guide means 28.
  • the first guide means 28 guides to the proper assembly position while swinging the lower member 18 with the first hook 22 as a fulcrum. Therefore, the first guide means 28 can assemble the lower member 18 to the cylindrical member 12 and the dielectric 46 without interfering with other members.
  • the upper member 35 is formed with a fixing portion 45 that covers a part of the outer periphery of the shield layer 65.
  • the lower member 18 has a crimping piece 34 that is crimped to the outer periphery of the fixing portion 45, and is formed with a crimping portion 32 that is crimped to the outer periphery of the shield layer 65. According to this configuration, the lower member 18 and the upper member 35 can be fixed to the shield layer 65 only by the step of crimping the crimping portion 32 while crimping the crimping piece 34 to the outer periphery of the fixing portion 45.
  • the present invention is not limited to the embodiments described with reference to the above description and drawings.
  • the following embodiments are also included in the technical scope of the present invention.
  • the second hooking portion functions as a rocking fulcrum when the upper member (cover member) is assembled to the main body member (holding portion). You may assemble
  • the second guide means is formed on the upper member (cover member) and the lower member (connecting member).
  • the second guide means may be formed on the upper member and the dielectric.
  • the second guide pin is formed in the upper member (cover member) and the second guide groove is formed in the lower member (connecting member), but the second guide groove is formed in the upper member, The second guide pin may be formed on the lower member.
  • the hooking portion is formed on the lower member (connection member) and the upper member (cover member), but the hooking portion may be formed only on the upper member.
  • compression-bonding part was formed only in the lower member (connection member), you may form a crimping
  • both the lower member and the upper member (cover member) are fixed to the shield layer only by the step of crimping the crimp portion of the lower member (connection member), but the upper member is fixed to the shield layer.
  • the step of performing may be performed separately from the step of pressure-bonding the lower member to the shield layer.
  • the inner conductor and the core wire are connected with the inner conductor attached to the dielectric.
  • the present invention also applies to the case where the inner conductor is attached to the dielectric on the rear side after being connected to the core wire. Can be applied.
  • the case where the inner conductor is a male terminal having an elongated tab at the front end has been described.
  • the present invention is a female terminal having a square tube portion at the front end. It can also be applied in some cases.

Landscapes

  • Details Of Connecting Devices For Male And Female Coupling (AREA)

Abstract

Afin d'améliorer la maniabilité pendant l'assemblage et d'améliorer la fiabilité de performance de blindage, l'invention concerne une borne de blindage (T) comprenant : un élément de corps principal (11) ayant un conducteur interne (52) connecté à une section d'extrémité avant d'un fil central (62) d'un fil blindé (60), un diélectrique (46) logeant le conducteur interne (52), une section de maintien cylindrique (14) constituant le conducteur externe (10) et encerclant et maintenant le diélectrique (46), et une section de sertissage (32) reliée à une section d'extrémité avant d'une couche de blindage (65) du fil blindé (60); un élément supérieur (35) étant séparé de l'élément de corps principal (11), constituant le conducteur externe (10), et encerclant le périmètre entier du fil central (62), conjointement avec l'élément de corps principal (11), entre l'extrémité arrière de la section de maintien (14) et l'extrémité avant de la couche de blindage (65); une seconde section de crochet (39) formée dans une section d'extrémité avant de l'élément supérieur (35) et étant apte à se verrouiller sur une section de bord d'extrémité arrière de la section de maintien (14); et un second moyen de guidage (29) utilisant la seconde section de crochet (39) en tant que point d'appui, basculant l'élément supérieur (35), et guidant celui-ci vers une position d'assemblage normale.
PCT/JP2018/000739 2017-02-03 2018-01-15 Borne de blindage WO2018142886A1 (fr)

Priority Applications (3)

Application Number Priority Date Filing Date Title
US16/483,457 US10741977B2 (en) 2017-02-03 2018-01-15 Shield terminal
DE112018000673.5T DE112018000673B4 (de) 2017-02-03 2018-01-15 Abschirmanschluss
CN201880009028.8A CN110235318B (zh) 2017-02-03 2018-01-15 屏蔽端子

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2017-018549 2017-02-03
JP2017018549A JP6745044B2 (ja) 2017-02-03 2017-02-03 シールド端子

Publications (1)

Publication Number Publication Date
WO2018142886A1 true WO2018142886A1 (fr) 2018-08-09

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Application Number Title Priority Date Filing Date
PCT/JP2018/000739 WO2018142886A1 (fr) 2017-02-03 2018-01-15 Borne de blindage

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Country Link
US (1) US10741977B2 (fr)
JP (1) JP6745044B2 (fr)
CN (1) CN110235318B (fr)
DE (1) DE112018000673B4 (fr)
WO (1) WO2018142886A1 (fr)

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US10741977B2 (en) 2020-08-11
CN110235318B (zh) 2020-11-17
DE112018000673B4 (de) 2023-03-23
DE112018000673T5 (de) 2019-10-17
JP2018125242A (ja) 2018-08-09
US20200052445A1 (en) 2020-02-13
CN110235318A (zh) 2019-09-13
JP6745044B2 (ja) 2020-08-26

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